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// IBM_PROLOG_BEGIN_TAG
// This is an automatically generated prolog.
//
// $Source: src/usr/pore/poreve/model/porestate.C $
//
// IBM CONFIDENTIAL
//
// COPYRIGHT International Business Machines Corp. 2012
//
// p1
//
// Object Code Only (OCO) source materials
// Licensed Internal Code Source Materials
// IBM HostBoot Licensed Internal Code
//
// The source code for this program is not published or other-
// wise divested of its trade secrets, irrespective of what has
// been deposited with the U.S. Copyright Office.
//
// Origin: 30
//
// IBM_PROLOG_END
// $Id: porestate.C,v 1.2 2011/10/13 10:04:32 haver Exp $
/// \file porestate.C
/// \brief A structure defining the state of a PORE engine for
/// checkpoint/restart purposes.
#include "porestate.H"
#include <string.h>
using namespace vsbe;
PoreState::PoreState()
{
// Ensure that reserved/free space is always 0 such that we
// can do memcmp.
memset(state, 0, sizeof(state));
}
PoreState::~PoreState()
{
}
ModelError
PoreState::get(const PoreRegisterOffset i_offset, uint64_t& o_reg) const
{
ModelError me;
int i;
if ((i_offset >= SIZEOF_PORE_STATE) || ((i_offset % 8) != 0)) {
me = ME_PORE_STATE_ERROR;
} else {
me = ME_SUCCESS;
o_reg = 0;
for (i = 0; i < 8; i++) {
o_reg <<= 8;
o_reg |= state[i_offset + i];
}
}
return me;
}
ModelError
PoreState::put(const PoreRegisterOffset i_offset, const uint64_t i_reg)
{
ModelError me;
int i;
uint64_t reg;
if ((i_offset >= SIZEOF_PORE_STATE) || ((i_offset % 8) != 0)) {
me = ME_PORE_STATE_ERROR;
} else {
me = ME_SUCCESS;
reg = i_reg;
for (i = 7; i >= 0; i--) {
state[i_offset + i] = (reg & 0xff);
reg >>= 8;
}
}
return me;
}
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